DisclosureLens
GLOBALMalwareHealthcareHealthcareRansomwareTrigonaRansom DemandedActor NamedMedium

Public Health Management Corporation

bd_458f4399feee2dc1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Jun 6, 2023

To disclose

Affected

Not disclosed

Linked

6 filings

Confidence

50%
Full breach record for Public Health Management Corporation

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Trigona on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: HealthcareDiscovered: 2023-06-06

Source: Ransomware.live

Post text · scraped from the leak site

Public Health Management Corporation (PHMC) is a non-profit organisation providing public health services in Philadelphia, Pennsylvania. It was established in 1972 and has since served as a leading provider of comprehensive health and human services to individuals, families, and communities in the area.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Jun 6, 2023

Claim posted

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Claim → filing

Compliance clock

Not assessable

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Show 1 more filingup to 265d gap

Filing propagation · 6 filings · 4 states

View merged incident ↗
PressMay 8 · first
Leak Site+29d · this page

Pattern: first filing May 8, last Feb 26 (VT) — a 294-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source ceiling

  • actor name
  • victim claim
  • ransom/leak status
  • discovery date
  • materiality
  • notification
  • affected count
  • confirmed data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this groupFirst seen 2023-04-11

trigona

According to ransomware.live, According to PCrisk, Trigona is ransomware that encrypts files and appends the ._locked extension to filenames. Also, it drops the how_to_decrypt.hta file that opens a ransom note. An example of how Trigona renames files: it renames 1.jpg to 1.jpg._locked, 2.png to 2.png._locked, and so forth.It embeds the encrypted decryption key, the campaign ID, and the victim ID in the encrypted files.

49 victims claimed globally49 tracked hereFull profile →